| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.55 | 2.76 | -0.21 |
| Feb | 2.21 | 2.38 | -0.17 |
| Mar | 3.45 | 3.51 | -0.06 |
| Apr | 4.81 | 4.87 | -0.06 |
| May | 4.99 | 5.05 | -0.06 |
| Jun | 4.36 | 4.62 | -0.26 |
| Jul | 3.82 | 4.20 | -0.38 |
| Aug | 3.30 | 3.59 | -0.29 |
| Sep | 3.32 | 3.36 | -0.04 |
| Oct | 3.13 | 3.12 | 0.01 |
| Nov | 3.41 | 3.66 | -0.25 |
| Dec | 2.68 | 2.73 | -0.05 |
42.03 | 43.85 | -1.82 |